diff --git a/fsw/mcp750-vxworks/inc/psp_version.h b/fsw/mcp750-vxworks/inc/psp_version.h
index 88df53bc..3eec6611 100644
--- a/fsw/mcp750-vxworks/inc/psp_version.h
+++ b/fsw/mcp750-vxworks/inc/psp_version.h
@@ -50,7 +50,7 @@
  *  @details Baseline git tag + Number of commits since baseline. @n
  *  See @ref cfsversions for format differences between development and release versions.
  */
-#define CFE_PSP_IMPL_VERSION CFE_PSP_IMPL_BUILD_BASELINE CFE_PSP_IMPL_STR(CFE_PSP_IMPL_BUILD_NUMBER)
+#define CFE_PSP_IMPL_VERSION CFE_PSP_IMPL_BUILD_BASELINE "+dev" CFE_PSP_IMPL_STR(CFE_PSP_IMPL_BUILD_NUMBER)
 
 /*! @brief Development Build Version String.
  *  @details Reports the current development build's baseline, number, and name. Also includes a note about the latest official version. @n
diff --git a/fsw/pc-linux/inc/psp_version.h b/fsw/pc-linux/inc/psp_version.h
index 9d2070ca..52dc54ca 100644
--- a/fsw/pc-linux/inc/psp_version.h
+++ b/fsw/pc-linux/inc/psp_version.h
@@ -50,7 +50,8 @@
  *  @details Baseline git tag + Number of commits since baseline. @n
  *  See @ref cfsversions for format differences between development and release versions.
  */
-#define CFE_PSP_IMPL_VERSION CFE_PSP_IMPL_BUILD_BASELINE CFE_PSP_IMPL_STR(CFE_PSP_IMPL_BUILD_NUMBER)
+#define CFE_PSP_IMPL_VERSION CFE_PSP_IMPL_BUILD_BASELINE "+dev" CFE_PSP_IMPL_STR(CFE_PSP_IMPL_BUILD_NUMBER)
+
 
 /*! @brief Development Build Version String.
  *  @details Reports the current development build's baseline, number, and name. Also includes a note about the latest official version. @n
diff --git a/fsw/pc-rtems/inc/psp_version.h b/fsw/pc-rtems/inc/psp_version.h
index a6c2047d..15e5301e 100644
--- a/fsw/pc-rtems/inc/psp_version.h
+++ b/fsw/pc-rtems/inc/psp_version.h
@@ -51,7 +51,7 @@
  *  @details Baseline git tag + Number of commits since baseline. @n
  *  See @ref cfsversions for format differences between development and release versions.
  */
-#define CFE_PSP_IMPL_VERSION CFE_PSP_IMPL_BUILD_BASELINE CFE_PSP_IMPL_STR(CFE_PSP_IMPL_BUILD_NUMBER)
+#define CFE_PSP_IMPL_VERSION CFE_PSP_IMPL_BUILD_BASELINE "+dev" CFE_PSP_IMPL_STR(CFE_PSP_IMPL_BUILD_NUMBER)
 
 /*! @brief Development Build Version String.
  *  @details Reports the current development build's baseline, number, and name. Also includes a note about the latest